Esporas Y Formas Algales De La Formación Río Turbio (Eoceno), Santa Cruz, Argentina: Nuevos Aportes a Su Palinoflora

Abstract

SPORES AND ALGAL FORMS OF THE RÍO TURBIO FORMATION (EOCENE), SANTA CRUZ, ARGENTINA: NEW CONTRIBUTIONS TO ITS PALYNOFLORA. The systematic study of spores and algal forms recovered from the Río Turbio Formation, middle-upper Eocene of the Austral Basin is presented. Freshwater algae, bryophytes, ferns and lycophytes are described. Closterium sp. cf. C. thailandicum Songtham et al., Botryococcus sp., Coelastrum sp. 1, Catinipollis geiseltalensis Krutzsch, Bryophyta s.l. sp. 1, Kuylisporites waterbolkii Potonié, Matonisporites sp. 1, Foveotriletes sp. 1, Polypodiisporites perverrucatus (Couper) Khan and Martin, Klukisporites scaberis (Cookson and Dettmann) Dettmann, Deltoidospora cf. australis, (Couper) Pocock, Verrucosisporites sp. 1, Verrucosisporites sp. 2 are new forms for the Río Turbio Formation. The species Crassoretitriletes vanraadshooveni Germeraad et al. is a new record for Argentina and Gleicheniidites circinidites Dettmann is a new record for the Eocene of Argentina.